A planet dubbed ‘Hell’ got so devilishly hot because it orbits along its star’s equator, according to new research.
The EXPRES measurements revealed Janssen’s orbit is roughly aligned with Copernicus’ equator, a path that makes it unique. Interactions shifted Janssen toward its hellish present-day location. As Janssen approached Copernicus, the star’s gravity became increasingly dominant.
For more, check out this Talker/MSN story.